data = {
    "data":[
        {
            "con":[
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"},
                {"power_name":"襄阳站","power_sn":"123","state":"在线","time":"2018-4-17"}
            ]
        },
        {
            "con":[
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"},
                {"power_name":"襄阳站","power_sn":"223","state":"在线","time":"2018-4-18"}
            ]
        },
        {
            "con":[
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"},
                {"power_name":"襄阳站","power_sn":"323","state":"在线","time":"2018-4-19"}
            ]
        },
        {
            "con":[
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"},
                {"power_name":"襄阳站","power_sn":"423","state":"在线","time":"2018-4-20"}
            ]
        },
        {
            "con":[
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"},
                {"power_name":"襄阳站","power_sn":"523","state":"在线","time":"2018-4-21"}
            ]
        }
    ]
}

